package demo1;

public class ZhifubaoPay implements Pay {
    double m=100;
    @Override
    public void pay(double money) {
        if (m<money){
        System.out.println("您的金额不足");
    }
    else{
        m=m-money;
        System.out.println("您的金额为"+m);
    }


    }
}
